Across
- 2. Vertical line in the periodic table
- 6. Anything that has weight and takes up space
- 8. Law that says matter cannot be created nor destroyed
- 9. Horizontal line in the periodic table
- 10. The smallest unit of matter
Down
- 1. Elements/molecules before a reaction
- 3. 2 or more atoms bonded together
- 4. 2 or more different atoms bonded together
- 5. An equation where no mass was created or destroyed
- 7. Elements/molecules after a reaction
